DCDC
Specification
15 Watts
• 4:1 Input Range
• 1500 VDC Isolation
• Efficiency up to 86%
• 40 °C to +100 °C Operating Temperature
• Optional Remote On/Off
• Single & Dual Outputs
• 3 Year Warranty
JTH Series
Input
Input Voltage Range • 24 V (9-36 VDC)
48 V (18-72 VDC)
Input Current • See table
Input Filter • Pi network
Input Reflected • 35 mA rms through 12 µH inductor
Ripple Current
Input Surge • 24 V models 40 VDC for 100 ms
48 V models 80 VDC for 100 ms
Undervoltage Lockout • 24 V models ON 8.6 V, OFF 8 VDC typical
48 V models ON 16.0 V, OFF 14 V typical
Output
Output Voltage • See table
Minimum Load • No minimum load required
Line Regulation • ±0.5%
Load Regulation • ±0.5% 10-100% load,
±1.0% 10% load
Cross Regulation • ±5% on dual output models (see note 3)
Setpoint Accuracy • ±1%
Start Up Delay • <10 ms
Start Up Rise Time • <20 ms
Ripple & Noise • 75 mV pk-pk 20 MHz bandwidth
Transient Response • 3% max deviation, recovery to within
1% in 200 µs for 25% load change
Temperature • 0.02%/°C
Coefficient
Overvoltage Protection • None
Overcurrent Protection • 140% typical of full load at nominal input
Short Circuit Protection • Trip & restart (hiccup mode),
auto recovery
Remote On/Off • Optional (see application note)
Maximum Capacitive • See table
Load
xppower.com
General
Efficiency • See table
Isolation • 1500 VDC Input to Output
1000 VDC Input to Case
1000 VDC Output to Case
Isolation Resistance • 10
9
Ω
Isolation Capacitance • 1200 pF typical
Switching Frequency • 300 kHz typical
Power Density • 18.75 W/in
3
MTBF • >1.21 MHrs to MIL-HDBK-217F
at 25 °C, GB
Environmental
Operating Temperature • -40 °C to +100 °C, derate from 100% load
at +60 °C to 0% load at +100 °C
Case Temperature • 100 °C max
Cooling • Convection-cooled
Operating Humidity • Up to 95% RH, non-condensing
Storage Temperature • -40 °C to +125 °C
EMC
Emissions • EN55022 class A conducted &
radiated with external components,
see application note
ESD Immunity • EN61000-4-2,
8 kV air discharge Perf Criteria A,
4 kV contact discharge Perf Criteria A
EFT/Burst • EN61000-4-4, level 1 Perf Criteria A*
Surge • EN61000-4-5, installation class 1,
Perf Criteria A*
Conducted Immunity • EN61000-4-6, 3 Vrms Perf Criteria A
Magnetic Field • EN61000-4-8, 1 A/m Perf Criteria A
*External input capacitor required 220 µF/100 V
